News tagged with contrast agents
Related topics: nanoparticles , magnetic resonance imaging
'Green' nanoparticles, that may enhance medication delivery and improve MRI performance
Researchers at Harvard-affiliated McLean Hospital have shown a new category of "green" nanoparticles comprised of a non-toxic, protein-based nanotechnology that can non-invasively cross the blood brain barrier and is capable ...
Nanotechnology / Bio & Medicine
May 02, 2012 |
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Cancer diagnosis breakthrough
(PhysOrg.com) -- Researchers in Taiwan have developed a new imaging contrast agent that will enable cancer patients to undergo CT and MRI scans on the same day, cutting diagnosis time in half.
Oct 01, 2010 |
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Game-changing nanodiamond discovery for MRI
A Northwestern University study shows that coupling a magnetic resonance imaging (MRI) contrast agent to a nanodiamond results in dramatically enhanced signal intensity and thus vivid image contrast.
Nanotechnology / Bio & Medicine
Jan 14, 2010 |
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Multifunctional nanoparticle enables new type of biological imaging
Spotting a single cancerous cell that has broken free from a tumor and is traveling through the bloodstream to colonize a new organ might seem like finding a needle in a haystack. But a new imaging technique ...
Nanotechnology / Bio & Medicine
Jul 27, 2010 |
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Overcoming cancer drug resistance with nanoparticles
One of the ways in which cancer cells evade anticancer therapy is by producing a protein that pumps drugs out of the cell before these compounds can exert their cell-killing effects. A research team at Northwestern University ...
Nanotechnology / Bio & Medicine
Jan 20, 2012 |
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Manipulating nanoparticles' surface chemistry holds medical promise
(PhysOrg.com) -- Swapping the chemical groups that originally coat iron oxide nanoparticles and making the particles soluble in biological solvents shows great promise for medical applications, such as drug delivery and contrast ...
Nanotechnology / Bio & Medicine
Aug 17, 2011 |
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Engineers develop more effective MRI contrast agent for cancer detection
Many imaging technologies and their contrast agents — chemicals used during scans to help detect tumors and other problems — involve exposure to radiation or heavy metals, which present potential health risks to ...
Nanotechnology / Bio & Medicine
Dec 23, 2011 |
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Light can detect pre-cancerous colon cells
After demonstrating that light accurately detected pre-cancerous cells in the lining of the esophagus, Duke University bioengineers turned their technology to the colon and have achieved similar results in a series of preliminary ...
Oct 11, 2011 |
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Double strike to fight cancer
(PhysOrg.com) -- Diagnosis and treatment form the basis of modern medicine. Traditionally, they are two separate steps; however, it doesn’t have to be that way. The term “theranostic” refers ...
Nanotechnology / Bio & Medicine
Mar 01, 2011 |
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Contrast agent for tumor diagnostics: Phosphorescent metal-organic coordination polymers for optical imaging
(PhysOrg.com) -- X-rays are not the only way: visible and especially infrared light can also be used to image human tissue. The effectiveness of optical imaging processes can be significantly improved with ...
Nanotechnology / Bio & Medicine
Mar 23, 2011 |
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New contrast agents detect bacterial infections with high sensitivity and specificity
A new family of contrast agents that sneak into bacteria disguised as glucose food can detect bacterial infections in animals with high sensitivity and specificity. These agents -- called maltodextrin-based ...
Jul 18, 2011 |
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Flares on the move: Nanoparticle test kit shows how nanoparticles of different size disperse in tumor tissue
(PhysOrg.com) -- Nanoparticles play a significant role in the development of future diagnostic and therapeutic techniques for tumors, for example as transporters for drugs or as contrast agents. Absorption ...
Nanotechnology / Bio & Medicine
Jan 11, 2011 |
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Silicon microparticles, gadonanotubes promise big advance for medical imaging
A nest for nanotubes may help magnetic resonance imaging become better than ever at finding evidence of disease.
Nanotechnology / Bio & Medicine
Nov 10, 2010 |
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Two-in-one imaging agents
(PhysOrg.com) -- Accurate visualization of living systems is key to the correct diagnosis and effective treatment of many diseases, as well as an improved understanding of biological processes. Magnetic resonance ...
Mar 19, 2012 |
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Novel nanocrystals with advanced optical properties developed for use as luminescent biomarkers
Upconversion emission materials are ideal for bioimaging due to its effectiveness as contrast agents for the detection of cancer cells, more so when the background emission of non-cancerous tissues can be minimised. These ...
Nanotechnology / Nanomaterials
Nov 14, 2011 |
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